Multiple-choice

A multiple-choice test consists of 4 questions. Each question has three different answers, with only one being correct. A student answers each question randomly.

Determine the expected number of correct answers the student gets.

Final Answer:

t =  4/3 = 1 13

Step-by-step explanation:

n=4 p1=310.3333  t=n p1=4 0.3333=34=131=1.3333



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statisticscombinatoricsnumbersUnits of physical quantitiesGrade of the word problem

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